CN104949204A - Positive pressure type aeration cooling structure of transformer substation condenser room - Google Patents

Positive pressure type aeration cooling structure of transformer substation condenser room Download PDF

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Publication number
CN104949204A
CN104949204A CN201510350223.5A CN201510350223A CN104949204A CN 104949204 A CN104949204 A CN 104949204A CN 201510350223 A CN201510350223 A CN 201510350223A CN 104949204 A CN104949204 A CN 104949204A
Authority
CN
China
Prior art keywords
aeration
blower fan
new wind
cooling
air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510350223.5A
Other languages
Chinese (zh)
Inventor
黄建锋
孙育蕾
邵文柏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangyin Wanying Power Technology Co., Ltd.
STATE GRID JIANGSU ELECTRIC POWER COMPANY, WUXI POWER SUPPLY COMPANY
State Grid Corp of China SGCC
Original Assignee
State Grid Corp of China SGCC
Wuxi Power Supply Co of Jiangsu Electric Power Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Wuxi Power Supply Co of Jiangsu Electric Power Co filed Critical State Grid Corp of China SGCC
Priority to CN201510350223.5A priority Critical patent/CN104949204A/en
Publication of CN104949204A publication Critical patent/CN104949204A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24Means for preventing or suppressing noise
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/20Humidity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/50Air quality properties
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • F24F7/007Ventilation with forced flow
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F24F2003/144Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24Means for preventing or suppressing noise
    • F24F2013/247Active noise-suppression
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • F24F2110/12Temperature of the outside air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/20Humidity
    • F24F2110/22Humidity of the outside air

Abstract

The invention relates to an aeration cooling structure, in particular to a positive pressure type aeration cooling structure of a transformer substation condenser room, and belongs to the technical field of transformer substation cooling. According to the technical scheme, the positive pressure type aeration cooling structure of the transformer substation condenser room comprises an aeration cooling main machine which is located at the lower portion of the interior of the transformer substation condenser room, air comes into the aeration cooling main machine through an aeration wall hole in the lower portion of the interior of the transformer substation condenser room, and an air discharging window for discharging air is arranged at the upper portion of a wall in the transformer substation condenser room; the aeration cooling main machine comprises a fresh air outlet for outputting fresh air and a refrigeration and dehumidification air opening for outputting refrigeration and dehumidification air. The aeration cooling structure is compact in structure, running conditions of a capacitor cabinet are effectively improved, the fault probability is reduced, and the device running and power supply reliability is improved.

Description

The aeration-cooling structure of substation capacitors room positive-pressure type
Technical field
The present invention relates to a kind of aeration-cooling structure, the aeration-cooling structure of especially a kind of substation capacitors room positive-pressure type, belong to the technical field of transformer station's cooling.
Background technology
The cooling measure that current substation capacitors room generally adopts is: above capacitor chamber exterior wall, install blower fan, offers air feed shutter window in the below of capacitor chamber exterior wall.Though described cooling measure energy venting capacitor indoor section heat, but there is following problem: 1), newly wind air current composition is unreasonable, making the new wind entering into capacitor chamber can only flow through partial capacitor and be just discharged outdoor, causing the capacitor equipment away from entering exhaust outlet to can not get ventilation and heat.2), fan operation time can bring a large amount of dusts into, fog precipitation sky also can bring steam into, and capacitor laying dust can affect its heat radiation, simultaneously during wet, makes capacitor exposed part and outer porcelain piece etc. cause flashover.3), when indoor temperature is lower, blower fan, also in continuous full speed running, is unfavorable for energy-conservation.4), during fan operation, noise is larger.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of substation capacitors room positive-pressure type aeration-cooling structure, its compact conformation, effectively improves the service condition of capacitor panel, reduces probability of malfunction, improves the reliability that equipment runs and powers.
According to technical scheme provided by the invention, the aeration-cooling structure of described substation capacitors room positive-pressure type, comprise the bottom that is positioned at capacitor chamber and the aeration-cooling main frame of ventilation porthole air intake by capacitor chamber bottom, the body of wall top in capacitor chamber is provided with the ventilation window for being discharged by air; Aeration-cooling main frame comprises for exporting the new wind outlet of new wind and the refrigerated dehumidification air port for exporting refrigerated dehumidification air.
The refrigerated dehumidification mechanism that described aeration-cooling main frame comprises the new wind blower fan for being entered by new for outdoor blast and is used for refrigerated dehumidification, described new wind blower fan is all connected with aeration-cooling controller with refrigerated dehumidification mechanism.
Described refrigerated dehumidification mechanism comprises the refrigerated dehumidification off-premises station that is positioned at outside capacitor chamber and is connected the cold wind blower fan and evaporimeter that coordinate with described refrigerated dehumidification off-premises station, evaporimeter is positioned at the below of cold wind blower fan, above cold wind blower fan, be provided with return air inlet, between described return air inlet and cold wind blower fan, be provided with return air screen pack.
Described new wind blower fan is provided with the silencer for noise reduction, and the air inlet of new wind blower fan is provided with new wind screen pack, the new wind outlet on the air outlet of new wind blower fan and aeration-cooling main frame.
Described aeration-cooling controller is connected with indoor temperature and humidity sensor, outdoor temperature humidity sensor and Smoke Sensor.
Described aeration-cooling controller is connected with data communication module.
Advantage of the present invention:
1, be communicated with aeration-cooling main frame at the ventilation porthole of capacitor chamber, utilize the relatively high static pressure that new wind blower fan produces, new blast is entered capacitor chamber, according to layouts such as indoor equipmenies, set the direction in new wind air port, be collected to outside ventilation window discharge chamber after carrying out heat exchange to make new wind with capacitor panel.
2, when the continuous overcast and rainy or continuous high temperature period in summer, when relying on the uncontrollable indoor temperature and humidity of new wind, enable the refrigerated dehumidification mechanism in aeration-cooling main frame, can realize the refrigerated dehumidification in capacitor chamber by refrigerated dehumidification mechanism, to guarantee the running status reliability of capacitor panel.
3, replaced by indoor-outdoor air, guarantee the discharge of capacitor indoor harmful gas, and high efficiency filter is carried out to the room air entered, the weak malleation of indoor maintenance simultaneously, outdoor dust cannot enter from gaps such as door and windows, thus ensures the cleaning of capacitor room air.New wind blower fan coordinates with silencer, is less than or equal to 55dB to make the noise in capacitor chamber.
4, aeration-cooling controller is connected with data communication module, realizes the self-management function of capacitor indoor ventilating, cooling main frame, without the need to manual intervention.Aeration-cooling controller can calculate required heat radiation air quantity according to the temperature value at indoor exhaust wind mouth place, controls fan speed, solves the meaningless power problems of the blower fan high-speed cruising when outside air temperature is lower.Possesses wireless, wired network communication, administrative staff can in any place, understand any time in real time capacitor chamber running environment situation and obtain warning message, with Timeliness coverage fault, fast processing, improves the safety and reliability that the equipment such as capacitor run.
Accompanying drawing explanation
Fig. 1 is using state figure of the present invention.
Fig. 2 is the structural representation of the aeration-cooling main frame of the present invention.
Description of reference numerals: 1-capacitor chamber, 2-capacitor panel, 3-ventilating fan, 4-Smoke Sensor, 5-ventilation porthole, the aeration-cooling main frame of 6-, 7-return air inlet, 8-refrigerated dehumidification air port, 9-new wind air port, 10-refrigerated dehumidification off-premises station, 11-evaporimeter, 12-cold wind blower fan, 13-indoor temperature and humidity sensor, 14-return air screen pack, the aeration-cooling controller of 16-, 17-new wind screen pack, the new wind blower fan of 18-and 19-silencer.
Detailed description of the invention
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As shown in Figure 1: in order to effectively improve the service condition of capacitor panel 2, reduce probability of malfunction, the reliability that raising equipment runs and powers, the present invention includes the bottom that is positioned at capacitor chamber 1 and the aeration-cooling main frame 6 of ventilation porthole 5 air intake by capacitor chamber 1 bottom, the body of wall top in capacitor chamber 1 is provided with the ventilation window 3 for being discharged by air; Aeration-cooling main frame 6 comprises for exporting the new wind outlet 9 of new wind and the refrigerated dehumidification air port 8 for exporting refrigerated dehumidification air.
Particularly, one or more capacitor panel 2 is placed in capacitor chamber 1, usually, ventilating fan 3 and aeration-cooling main frame 6 are positioned at two different metopes of capacitor chamber 1, aeration-cooling main frame 6 can by the air press-in capacitor chamber 1 outside capacitor chamber 1 by ventilation porthole 5, the air be pressed into by aeration-cooling main frame 6 forms new wind, the placement direction of capacitor panel 2 is pointed in the direction of the new wind outlet 9 of aeration-cooling main frame 6, after capacitor panel 2 in new wind and capacitor chamber 1 carries out heat exchange, discharge outside capacitor chamber 1 by ventilating fan 3, thus can effectively carry out aeration-cooling to capacitor panel 2.When humidity in capacitor chamber 1 is larger, aeration-cooling main frame 6 can the low and air of drying of output temperature by refrigerated dehumidification air port 8, to freeze dry object to capacitor chamber 1 to reach.
As shown in Figure 2, the refrigerated dehumidification mechanism that described aeration-cooling main frame 6 comprises the new wind blower fan 18 for being entered by new for outdoor blast and is used for refrigerated dehumidification, described new wind blower fan 18 is all connected with aeration-cooling controller 16 with refrigerated dehumidification mechanism.
In the embodiment of the present invention, the air inlet of new wind blower fan 18 is connected with ventilation porthole 5, the air outlet of new wind blower fan 18 is connected with new wind air port 9, new wind blower fan 18 adopts centrifugal blower, new wind blower fan 18 can produce higher static pressure, and the air of outdoor is pressed in capacitor chamber 1 by new wind air port 9 by the static energy utilizing new wind blower fan 18 to produce.Aeration-cooling controller 16 can control the duty of new wind blower fan 18 and refrigerated dehumidification mechanism, and aeration-cooling controller 16 can adopt conventional micro-chip processor or logic circuit.
Described aeration-cooling controller 16 is connected with indoor temperature and humidity sensor 13, outdoor temperature humidity sensor 15 and Smoke Sensor 4.In the embodiment of the present invention, outdoor temperature humidity sensor 15 is positioned at outside capacitor chamber 1, for detecting the temperature humidity value obtained outside capacitor chamber 1, indoor temperature and humidity sensor 13 is for detecting the warm and humid angle value obtained in capacitor chamber 1, whether Smoke Sensor 4 is for having smog in monitoring capacitor room 1, when finding that there is smog by Smoke Sensor 4, aeration-cooling controller 16 can output alarm information, and Smoke Sensor 4 can be arranged on the below of ventilation window 3 and be positioned on the metope of the same side with described ventilation window 3.
The outdoor temperature humidity value that the indoor temperature and humidity value detected according to indoor temperature and humidity sensor 13 and outdoor temperature humidity sensor 15 detect, aeration-cooling controller 16 can control the duty of new wind blower fan 18 and refrigerated dehumidification mechanism in aeration-cooling main frame 6.Usually, when Indoor Temperature angle value is higher, aeration-cooling controller 16 starts new wind blower fan 18, and the new wind be pressed into by new wind blower fan 18 and capacitor panel 2 carry out heat exchange, aeration-cooling with what realize capacitor panel 2.When the larger room of the humidity in capacitor chamber 1, aeration-cooling controller 16 can start refrigerated dehumidification mechanism, humidity in capacitor chamber 1 and temperature can be reduced, to guarantee capacitor panel 2 duty safe and reliable under multiple Different climate state by refrigerated dehumidification mechanism.
Described refrigerated dehumidification mechanism comprises the refrigerated dehumidification off-premises station 10 that is positioned at outside capacitor chamber 1 and is connected the cold wind blower fan 12 and evaporimeter 11 that coordinate with described refrigerated dehumidification off-premises station 10, evaporimeter 11 is positioned at the below of cold wind blower fan 12, above cold wind blower fan 12, be provided with return air inlet 7, between described return air inlet 7 and cold wind blower fan 12, be provided with return air screen pack 14.
In the embodiment of the present invention, refrigerated dehumidification off-premises station 10 is positioned at outside capacitor chamber 1, aeration-cooling main frame 6 comprises main case, cold wind blower fan 12, evaporimeter 11, aeration-cooling controller 16 and new wind blower fan 18 are all positioned at main case, new wind air port 9 and refrigerated dehumidification air port 8 are all positioned at the bottom of main case, return air inlet 7 is positioned at the top of main case, air in capacitor chamber 1 can be carried out indoor circulation by return air inlet 7, air in capacitor chamber 1 is by entering the air inlet of cold wind blower fan 12 after return air inlet 7 and return air screen pack 14, through cold wind blower fan 12, the object of refrigerated dehumidification can be realized after evaporimeter 11 and refrigerated dehumidification off-premises station 10 coordinate, air after refrigerated dehumidification enters in capacitor chamber 1 by refrigerated dehumidification air port 8, through constantly circulation, the object that the cavity of capacitor chamber 1 is freezed and dehumidified can be reached.
Described new wind blower fan 18 is provided with the silencer 19 for noise reduction, and the air inlet of new wind blower fan 18 is provided with new wind screen pack 17, and the air outlet of new wind blower fan 18 exports 9 with the new wind on aeration-cooling main frame 6 and is communicated with.In the embodiment of the present invention, silencer 19 is positioned at the below of new wind blower fan 18, and the air inlet of new wind blower fan 18 is connected with ventilation porthole 5 by new wind screen pack 17, effectively filtering can enter the foreign material in capacitor chamber 1, guarantee the cleaning of new wind by new wind screen pack 17.Silencer 19 is connected with the air outlet of new wind blower fan 18, can guarantee the muting function in capacitor chamber 1 by silencer 19.
Described aeration-cooling controller 16 is connected with data communication module.Aeration-cooling controller 16 can be connected with intelligent terminal by data communication module, data communication module can adopt GPRS, 3G module, 4G module or WIFI module etc., various ambient parameters etc. in capacitor chamber 1 are all sent in intelligent terminal by data communication module by aeration-cooling controller 16, administrative staff environmentally parameter and warning message realize the effective monitoring to capacitor chamber 1, can Timeliness coverage fault, ensure the security reliability in safety condenser room 1.In addition, administrative staff can also send control command by data communication module to aeration-cooling controller 16, to regulate the duty of new wind blower fan, refrigerated dehumidification mechanism in aeration-cooling main frame 6, guarantee the state that the ambient parameter of capacitor chamber 1 reaches required.Described warning message refers to that Smoke Sensor 4 has detected smog chamber, the alarm signal that ventilation controller 16 produces.

Claims (6)

1. the aeration-cooling structure of substation capacitors room positive-pressure type, it is characterized in that: comprise the bottom that is positioned at capacitor chamber (1) and the aeration-cooling main frame (6) of ventilation porthole (5) air intake by capacitor chamber (1) bottom, the body of wall top in capacitor chamber (1) is provided with the ventilation window (3) for being discharged by air; Aeration-cooling main frame (6) comprises new wind outlet (9) and the refrigerated dehumidification air port (8) for exporting refrigerated dehumidification air for exporting new wind.
2. the aeration-cooling structure of substation capacitors room positive-pressure type according to claim 1, it is characterized in that: described aeration-cooling main frame (6) comprises new wind blower fan (18) for being entered by new for outdoor blast and the refrigerated dehumidification mechanism for refrigerated dehumidification, and described new wind blower fan (18) is all connected with aeration-cooling controller (16) with refrigerated dehumidification mechanism.
3. the aeration-cooling structure of substation capacitors room positive-pressure type according to claim 2, it is characterized in that: described refrigerated dehumidification mechanism comprises and is positioned at the outer refrigerated dehumidification off-premises station (10) of capacitor chamber (1) and is connected the cold wind blower fan (12) and evaporimeter (11) that coordinate with described refrigerated dehumidification off-premises station (10), evaporimeter (11) is positioned at the below of cold wind blower fan (12), be provided with return air inlet (7) in cold wind blower fan (12) top, between described return air inlet (7) and cold wind blower fan (12), be provided with return air screen pack (14).
4. the aeration-cooling structure of substation capacitors room positive-pressure type according to claim 3, it is characterized in that: described new wind blower fan (18) is provided with the silencer (19) for noise reduction, the air inlet of new wind blower fan (18) is provided with new wind screen pack (17), and the air outlet of new wind blower fan (18) exports (9) with the new wind on aeration-cooling main frame (6) and is communicated with.
5. the aeration-cooling structure of substation capacitors room positive-pressure type according to claim 4, is characterized in that: described aeration-cooling controller (16) is connected with indoor temperature and humidity sensor (13), outdoor temperature humidity sensor (15) and Smoke Sensor (4).
6. the aeration-cooling structure of substation capacitors room positive-pressure type according to claim 2, is characterized in that: described aeration-cooling controller (16) is connected with data communication module.
CN201510350223.5A 2015-06-23 2015-06-23 Positive pressure type aeration cooling structure of transformer substation condenser room Pending CN104949204A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510350223.5A CN104949204A (en) 2015-06-23 2015-06-23 Positive pressure type aeration cooling structure of transformer substation condenser room

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510350223.5A CN104949204A (en) 2015-06-23 2015-06-23 Positive pressure type aeration cooling structure of transformer substation condenser room

Publications (1)

Publication Number Publication Date
CN104949204A true CN104949204A (en) 2015-09-30

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107093858A (en) * 2017-05-10 2017-08-25 无锡赛孚电力环境控制设备有限公司 The control method of microenvironment in a kind of ring main unit
CN113134183A (en) * 2021-04-20 2021-07-20 国网山东省电力公司经济技术研究院 Automatic fire extinguishing equipment and itinerant monitoring automatic fire extinguishing system for transformer substation

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09236301A (en) * 1996-02-29 1997-09-09 Nec Eng Ltd Cooling system
CN201003842Y (en) * 2006-07-27 2008-01-09 姜旭 Fan
CN201992757U (en) * 2010-12-31 2011-09-28 浙江为民能源科技有限公司 Intelligent energy-saving fresh air ventilating system for communications equipment room
CN203615509U (en) * 2013-12-06 2014-05-28 广东申菱空调设备有限公司 Machine room air conditioning system with direct air ventilation
CN103940061A (en) * 2014-05-07 2014-07-23 深圳海悟科技有限公司 Energy-saving air conditioning system
CN204373083U (en) * 2015-01-07 2015-06-03 成都昊普环保技术有限公司 A kind of split type fresh air conditioner for computer room
CN204739684U (en) * 2015-06-23 2015-11-04 国家电网公司 Capacitor chamber positive pressure aeration cooling of transformer substation structure

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09236301A (en) * 1996-02-29 1997-09-09 Nec Eng Ltd Cooling system
CN201003842Y (en) * 2006-07-27 2008-01-09 姜旭 Fan
CN201992757U (en) * 2010-12-31 2011-09-28 浙江为民能源科技有限公司 Intelligent energy-saving fresh air ventilating system for communications equipment room
CN203615509U (en) * 2013-12-06 2014-05-28 广东申菱空调设备有限公司 Machine room air conditioning system with direct air ventilation
CN103940061A (en) * 2014-05-07 2014-07-23 深圳海悟科技有限公司 Energy-saving air conditioning system
CN204373083U (en) * 2015-01-07 2015-06-03 成都昊普环保技术有限公司 A kind of split type fresh air conditioner for computer room
CN204739684U (en) * 2015-06-23 2015-11-04 国家电网公司 Capacitor chamber positive pressure aeration cooling of transformer substation structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107093858A (en) * 2017-05-10 2017-08-25 无锡赛孚电力环境控制设备有限公司 The control method of microenvironment in a kind of ring main unit
CN113134183A (en) * 2021-04-20 2021-07-20 国网山东省电力公司经济技术研究院 Automatic fire extinguishing equipment and itinerant monitoring automatic fire extinguishing system for transformer substation

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